The most commercially successful pop group of the 1970s, the origins of the Swedish superstars ABBA dated back to 1966, when keyboardist and vocalist Benny Andersson, a onetime member of the popular beat outfit the Hep Stars, first teamed with guitarist and vocalist Bjorn Ulvaeus, the leader of the folk-rock unit the Hootenanny Singers…
The Electric Light Orchestra's ambitious yet irresistible fusion of Beatlesque pop, classical arrangements, and futuristic iconography rocketed the group to massive commercial success throughout the 1970s…